Has been before, probably will be again. Nobody's managed to break through my wall when I put it up yet, but there's a first time for everything. Better to have a way out, just in case. You know?

[Nonchalant shrug, then she grins!] Earthbending is awesome! It's what I do.

[She makes a 'come here' gesture at another block of stone that's sitting in a corner, and it obligingly scoots toward her.]